When Gt running in 100% NG then Va 22 valve gets opened, is there any problem if it opens.and I want to know complete knowledge regarding VA 22 and VA 18?..
I my plant we have take shut down of gas turbine 6B after that turbine came to zero speed and cool down started and had four cycles only after that we came alarm of ratchet trouble again after we checked 20cs find ok and we waited for wheel Space temp 100 deg upto then we kept running aop...
